First Sankofa concert?

Good question! I looked at the Stylus and found the following, documented in filecity2, projects, Sankofa:

 I took a look at the Stylus, and while there was an African Dance Troupe back in the '70s, with connections to both the Dance Department and OSAD's predecessor, the Black Student Liberation Front, the first mention of a Sankofa concert is in 1989, as shown in the attached.